<template>
  <div class="login_container" >
    <div class="login_box">
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="">
      </div>
      <el-form class="login_form" ref="loginFormRef" :model="loginForm" :rules="loginFormRules">
        <el-form-item prop="username">
          <el-input prefix-icon="iconfont icon-user" v-model="loginForm.username"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input prefix-icon="iconfont icon-3702mima" type="password" v-model="loginForm.password"></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
    data() {
      return {
        loginForm: {
          username: 'admin',
          password: '123456'
        },
        loginFormRules: {
            username: [
              { required: true, message: '请输入账号', trigger: 'blur' },
              { min: 3, max: 10, message: '长度在 5 到 10 个字符', trigger: 'blur' }
            ],
            password: [
              { required: true, message: '请输入密码', trigger: 'blur' },
              { min: 5, max: 16, message: '长度在 5 到 18 个字符', trigger: 'blur' }
            ]
      }
    }
  },
  methods: {
    resetLoginForm() {
      this.$refs.loginFormRef.resetFields()
    },
    login() {
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) return
        const {data: res} = await this.$http.post("login", this.loginForm)
        if (res.meta.status !== 200) return this.$message.error('登录失败!')
        this.$message.success('登录成功')
        window.sessionStorage.setItem("token", res.data.token)
        this.$router.push("/myhome")
      })
    }
  }
}
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}

.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}

.btns {
  display: flex;
  justify-content: center;
}
</style>